/*
 * Type-safe wrapper for WebGL in GWT.
 * 
 * Copyright (C) 2009 Hao Nguyen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package gwt.g3d.resources.client;

import gwt.g3d.client.texture.Texture2D;
import gwt.g3d.resources.ExternalTexture2DResourceGenerator;

import com.google.gwt.resources.client.ResourceCallback;
import com.google.gwt.resources.client.ResourcePrototype;
import com.google.gwt.resources.ext.DefaultExtensions;
import com.google.gwt.resources.ext.ResourceGeneratorType;

/**
 * Represents a resource that creates a {@link Texture2D} from an image.
 * 
 * @author hao1300@gmail.com
 */
@DefaultExtensions(value = {".png", ".jpg", ".gif", ".bmp"})
@ResourceGeneratorType(ExternalTexture2DResourceGenerator.class)
public interface ExternalTexture2DResource extends ResourcePrototype {

  /**
   * Asynchronously loads the texture resource.
   * 
   * @param textureResource
   */
  void getTexture(ResourceCallback<Texture2DResource> textureResource);
}
